Examples: Jane Addams, Florence Kelley, John Muir, Robert LaFollette, 17th Amendment, Sherman Antitrust Act, Clayton Antitrust Act, Federal Reserve Bank.
Roaring Twenties:
Economic prosperity, new technologies (radio, Model T).
Great Depression (1929):
Leads to the New Deal (1933-1938).
World War II.
Social Changes
Industrialization and Urbanization: Rise of corporations (increasingly regulated), By 1920, more Americans live in cities than in rural regions.
New Opportunities for new groups, especially women and African Americans.
The Great Migration (African Americans moving North).
Cultural and Political Tensions
Espionage and Sedition Acts (limited free speech during WWI); Schenck v. US.
Red Scare and Palmer Raids (arrests of socialists and radicals).
Sacco and Vanzetti trial.
Immigration Act of 1924 (2% quota based on 1890 census).
Scopes Trial (fundamentalism vs. science).
Prohibition (18th Amendment).
Increased racial tensions and race riots.
New Deal (1933-1938)
Response to Great Depression.
Three R's: Relief, Recovery, Reform.
Limited welfare state and increased federal government size.